Optional activityactivityId is a number representing the id of the activity.
Optional asasHtml is a boolean representing whether to return the result as HTML.
Optional idid is a number representing the id of the activity reply.
Optional pagepage is a number representing the page number.
Optional perperPage is a number representing the number of items per page.
ActivityRepliesVariablesis an interface representing the variables for theActivityRepliesQuery. It includes optional page, per page, id, activity id, and as html.